Fun Games and Brain Stretchers.

Explore the jungle or the sea!: INTERACTIVE PUZZLES AND BRAIN TEASERS.
Science experiments to try
Maths games
For animal lovers: FOR ANIMAL LOVERS!
http://www.nga.gov/kids/zone/zone.htm : MAKE ART ONLINE!
http://www.kidscom.com/games/games.html: PUZZLES AND CREATIVE WRITING ACTIVITIES.
Fun games!